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Science Trivia
Science Trivia
60 terms
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Review for Physical, Earth, and Life Science
Flashcards
60 cards
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Practice quiz
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Questions
60
Answers
1
What is the layer of the atmosphere in which weather occurs?
Mesosphere
Troposphere
Stratosphere
Exosphere
2
A girl riding on a skateboard at 3 m/s suddenly hits the curb. The girl will fall
backward at a speed equal to 3 m/s
backward with a speed greater than 3 m/s
forward at a speed equal to 3 m/s
forward with a speed greater than 3 m/s
3
What part of the electromagnetic spectrum can be directly observed by humans?
ultraviolet light
radio waves
visible light
gama rays
4
What is the SI unit of measure for the mass of an object?
Ounce
Kilogram
Meter
Pound
5
Which of the following allows humans on Earth to experience day and night?
Rotation
Revolution
Orbit
Axis
6
Weather patterns in the United States of America generally travel from the
west toward the east
North Pole toward the Equator
Equator toward the North Pole
east toward the west
7
The Basin and Range topography of Nevada is recognized for
valleys and earthquakes
volcanoes and rivers
valleys and mountains
volcanoes and earthquakes
8
Which of the following human activities reduces biodiversity?
Plant 1 type of tree to replace native forest cut for lumber
Planting native grass species to prevent erosion
Collecting tissue sample from endangered species in the area
Prohibiting hunting in wildlife preserves
9
Which cellular organelle contains DNA and controls the function of the cell?
Ribosome
Endoplasmic Reticulum
Nucleus
Golgi Body
10
For a mutation to pass from one generation to the next, it must be in which of these cells?
Heart Cell
Sperm Cell
Skin Cell
Blood Cell
11
What term describes a particular person's feeling, thought, judgment, belief, or estimation?
Observation
Inference
Opinion
Fact
12
Which property is the least reliable for mineral identification?
Luster
Hardness
Streak
Color
13
The process of choosing parent organisms for desired characteristics is called
random chance
natural selection
artificial selection
genetic manipulation
14
When salt dissolves in water, the water is the
solute
solubility
solvent
solution
15
When sulfuric acid is broken down into separate elements, how many different atoms result?
Three
Seven
Two
Six
16
Medical researchers give some patients a drug, and some a placebo. What is the placebo?
A qualitative comparison
A control
A variable
A separate trial
17
Which of the following would least likely help a plant survive in a hot, dry environment?
Have needles instead of leaves
Have thin large leaves on branches
Grow long shallow roots
Open their stomata at night
18
Which of the following is the best estimate of the number of stars in a typical galaxy?
Millions
Thousands
Billions
Hundreds
19
In order for a lunar eclipse to occur, the moon must be in what phase?
Full moon
3rd Quarter
New Moon
1st Quarter
20
The frequency of a wave can be calculated by
dividing the speed by the wavelength
multiplying the velocity times the wavelength
dividing the frequency by the velocity
multiplying the amplitude by the wavelength
21
When there are no more living members of a species, that species is said to be
Unchanged
Endangered
Extinct
Evolved
22
Planets orbit around
galaxies
comets
stars
nebula
23
If an egg with 24 chromosomes is fertilized by a sperm cell with 23 chromosomes, the baby will
resemble the father more than the mother
inherit a disorder due to a missing chromosome
resemble the mother more than the father.
inherit a disorder due to the extra chromosome
24
What theory provides the explanation that diseases are caused by microorganisms?
Cell Theory
Infection Theory
Germ Theory
Immune Theory
25
What abiotic factor is the initial energy source in most food webs?
Producers
Bacteria
Sun
Rain
26
What type of rock forms when lava cools?
Igneous
Transitional
Sedimentary
Metamorphic
27
What process below releases primarily oxygen into the atmosphere?
Photosynthesis
Respiration
Combustion
Osmosis
28
The process of photosynthesis occurs in the
Nucleus
Ribosomes
Mitochondria
Chloroplast
29
Which of the following is a chemical property of matter?
flammability
magnetism
density
melting
30
Plants transform energy from the sun into
Chemical Energy
Mechanical Energy
Solar Energy
Nuclear Energy
31
A sheet of ice would float on a freshwater lake because ice
is more dense than water
is less dense than water
has less volume
has less mass
32
What is the primary reason why there has been so much effort put towards creating clean energy?
To reduce America’s dependence on fossil fuels.
Some wanted to build more wind turbines.
Nuclear energy seemed safer than petroleum energy.
The government wanted to create more jobs in this country.
33
What is the smallest unit of an element that still has the properties of that element?
A compound
An atom
An electron
A molecule
34
The process by which rocks are broken down by water, wind, or ice is
biological weathering
mechanical weathering
structural weathering
chemical weathering
35
The fossil record supports Darwin’s theory of evolution by showing that plants and animals
remain unchanged until
existed for only a few thousands of years
are the same in various environments
have changed over time
36
Fossils are most commonly preserved in
Metamorphic Rock
Sedimentary Rock
Ingenous Rock
Transitional Rock
37
Which cell type would most likely have the most mitochondria?
A nerve cell that transmit signals to the brain stem
A muscle cell in the leg muscle of a runner
A red blood cell that transports oxygen
A cell of stomach lining that manufactures digestive enzymes
38
How many electrons are in a neutral atom with an atomic number of 12?
12
4
6
24
39
Atoms of an element contain only one type of atom because they each contain the same number of
protons
neutrons
nucleous
electrons
40
Convection in the oceans and atmosphere is a result of the difference in
volume
temperature
mass
weight
41
Which of the following is a negative impact caused by mining for resources? The mining industry
contributes to the economy and provides employment.
uses techniques that cause metals to enter the water supply.
practices reclamation procedures when a mine closes.
42
What type of galaxy is the Milky Way?
Irregular
Lenticular
Elliptical
Spiral
43
Convection in the oceans and atmosphere is a result of the difference in
volume
weight
temperature
mass
44
What pieces of equipment would you likely need to use to calculate the density of a small rock?
Graduated cylinder and ruler
Graduated cylinder and triple beam balance
Ruler and scale
Ruler and triple beam balance
45
The primary cause of crustal movement is
conduction
radiation
convection
magnetism
46
Which wave requires a medium for transmission?
radio
infrared
light
sound
47
What planet has the shortest orbit around the Sun? A. Mercury B. Venus C. Earth D. Mars
Mercury
Venus
Earth
Mars
48
Compared to other stars, the Sun is a
white dwarf
medium-sized star
red giant
supernova
49
When determining a region’s climate, the two main variables considered are the average
air temperature and the size of the region
wind speed and the types of animals present
precipitation and average air temperature
barometric pressure and the average precipitation
50
If the Earth were twice as massive, then the gravitational force between it and the sun would
be the same
be half as great
be four times as great
be twice as great
51
The outer layer of the Earth that contains both the crust and the upper mantle, is called the
core
hemisphere
lithosphere
asthenosphere
52
A horse walks at a constant speed of 2 m/s. How far will the horse travel in thirty minutes?
60 m
3600 m
1800 m
15 m
53
The water cycle would not occur if which of the following were missing?
Animals
Solar energy
Plants
Ice caps
54
A change in genetic material that produces variation within a species is a
transcription
mutation
replication
translation
55
A tool used to identify unknown organisms based on observable characteristics is called a
homologous structure
taxonomic tree
dichotomous key
scientific name
56
In what process is water vapor changing to a liquid?
transpiration
convection
condensation
radiation
57
Our solar system is referred to as heliocentric, that means the Earth
has a moon
revolves around the Sun
has life
rotates around the Sun
58
White is a helpful adaptation for animals living near the North Pole because it
makes the animals feel more comfortable
absorbs more heat from the sun
helps the animals run faster
provides camouflage for the environment
59
Which of the following keeps planets of the solar system in orbit around the sun?
Thermal energy
Gravitation force
Atmospheric pressure
Electromagnetic energy
60
What molecule allows hereditary information to be passed from generation to generation?
ATP
Proteins
DNA
Lipids
